1. Luoyan Gjianlanji (2012). URL: https://www.sbkk88.com/mingzhu/gudaicn/luoyangjialanji/218715.html
2. Henan Zhi (2018): “Three cities, Ma City in the east of the city, there is a stone bridge in front, under the staff to water, can be too big boat”. “Always full. Outside the gate”. URL:
3. https://max.book118.com/html/2018/0921/6043100140001220.shtm
4. Taiping Royal View. 190 volumes (2020) “Yangqu. East flow through Luoyang in the southeast of the city, and then to Jianchun Gate, to transport Chang Man Cang”. URL:
5. https://baijiahao.baidu.com/s?id=1666913304657052310&wfr=spider&for=pc